Butex
[化] 二(β-丁氧乙基)醚; β,β'-二丁氧基二乙醚
🗣️ 情景例句
for a total of sixteen points.
她一共得十六分。
You need an injection.
你需要打针。
We visited the Great Wall. We went there by bus. We all took some food and drink with us.
我们参观了长城。我们是坐车去的。我们每人都自备一些食物和饮料。